Finding the Fourth Proportional to 913,313.03, 1,260,340.97 and 505,432.08
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Solution
The fourth proportional to 913,313.03, 1,260,340.97 and 505,432.08 is: 697,479.11
Step by Step Solution
- Step 1: Write the proportion equation
913,313.03 : 1,260,340.97 = 505,432.08 : x - Step 2: Convert to fraction form
913,313.03/1,260,340.97 = 505,432.08/x - Step 3: Cross multiply
913,313.03x = 1,260,340.97 × 505,432.08 - Step 4: Simplify right side
913,313.03x = 637,016,755,449.16 - Step 5: Solve for x
x = 637,016,755,449.16/913,313.03 - Step 6: Final answer
x = 697,479.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.